# BlackBox vs FM 81

The clearest difference is update cadence: BlackBox at every 2 months against FM 81's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BlackBox ships an update every 2 months, FM 81 every 7 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BlackBox | FM 81 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Ad-supported | — |
| Size | 86 MB | 87 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Groupe 1981](https://appshunter.io/developer/334825201) | [100%Radio](https://appshunter.io/developer/1136591921) |

## What reviewers say

### BlackBox

[App page](https://appshunter.io/ios/app/blackbox/id417409543)

Stream live web radio stations and listen to podcasts from your favorite shows. Enjoy a wide selection of audio content on demand.

**Highlights:** Live web radio streaming, On-demand podcast playback, Access favorite shows, Extensive audio content

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### FM 81

[App page](https://appshunter.io/ios/app/fm-81/id6748903291)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BlackBox free?

BlackBox is free to download, with no in-app purchases.

### Is FM 81 free?

FM 81 is free to download, with no in-app purchases.

### Do BlackBox or FM 81 have ads?

Both BlackBox and FM 81 show ads.

### Which is updated more often, BlackBox or FM 81?

BlackBox ships an update every 2 months, and FM 81 every 7 months. Most recently, BlackBox was updated on October 29, 2026 and FM 81 on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*